Question
a.
They should actively modify the domain-specific parts of the internal state.
b.
They should have no side-effects on the domain-specific parts of the internal state.
c.
They should be designed to restrict the domain information available to the user.
d.
They should be passive only when the user is engaged in a multi-threaded dialog.
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Q. How should browsing commands affect the domain-specific parts of the internal state?
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